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Air Pollutants Associated Hospitalization in Pediatric Pneumonia: A National Database Analysis

Phanthila Sitthikarnkha1,2, Rattapon Uppala1,2, Leelawadee Techasatian1,2

  • 1Department of Pediatrics, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.

Pediatric Pulmonology
|February 14, 2025
PubMed

Insights

Air pollution, particularly dust, is strongly linked to pediatric pneumonia hospitalizations in Thailand. Reducing exposure to pollutants like dust and black carbon is crucial for child health.

Area of Science:

  • Environmental Health
  • Pediatric Medicine
  • Epidemiology

Background:

  • Pneumonia is a major cause of childhood hospitalizations and deaths globally.
  • Investigating the impact of air pollution on pediatric pneumonia is critical for public health.

Purpose of the Study:

  • To examine the association between aerosol components in air pollution and pediatric pneumonia hospitalizations in Thailand.
  • To quantify the risk of pneumonia hospitalization related to specific air pollutants.

Main Methods:

  • An observational study analyzed data from 732,700 children under 15 hospitalized with pneumonia in Thailand (2015-2019).
  • Modern-Era Retrospective analysis for Research and Application version 2 (MERRA-2) data were used for aerosol components.
  • Poisson regression models adjusted for demographic and geographical factors.

Main Results:

  • Dust showed the strongest association with pneumonia hospitalization incidence rate across all age groups.
  • A 1 μg/m³ increase in dust levels correlated with a 13.8% increase in pneumonia hospitalizations.
  • Black carbon was also associated with increased hospitalization risk, with a 21.0% rise per 1 μg/m³ increase.

Conclusions:

  • A significant link exists between specific air pollutants and pediatric pneumonia hospitalizations.
  • Findings underscore the need for interventions to reduce air pollution exposure for children.
  • Targeted strategies are essential to mitigate the health impacts of air pollution on pediatric respiratory health.
Abstract

Keywords:
PM2.5air pollutantschildrenhospitalizationpneumonia

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